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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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f41377609a
900317 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
f41377609a |
Two fixes for the SMP related functionality:
- Make the UP version of smp_call_function_single() match SMP semantics
when called for a not available CPU. Instead of emitting a warning and
assuming that the function call target is CPU0, return a proper error
code like the SMP version does.
- Remove a superfluous check in smp_call_function_many_cond()
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Merge tag 'smp-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull SMP fixes from Thomas Gleixner:
"Two fixes for the SMP related functionality:
- Make the UP version of smp_call_function_single() match SMP
semantics when called for a not available CPU. Instead of emitting
a warning and assuming that the function call target is CPU0,
return a proper error code like the SMP version does.
- Remove a superfluous check in smp_call_function_many_cond()"
* tag 'smp-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
smp/up: Make smp_call_function_single() match SMP semantics
smp: Remove superfluous cond_func check in smp_call_function_many_cond()
|
||
|
Linus Torvalds
|
ca21b9b370 |
A set of fixes and improvements for the perf subsystem:
- Kernel fixes:
- Install cgroup events to the correct CPU context to prevent a
potential list double add
- Prevent am intgeer underflow in the perf mlock acounting
- Add a missing prototyp for arch_perf_update_userpage()
- Tooling:
- Add a missing unlock in the error path of maps__insert() in perf maps.
- Fix the build with the latest libbfd
- Fix the perf parser so it does not delete parse event terms, which
caused a regression for using perf with the ARM CoreSight as the sink
confuguration was missing due to the deletion.
- Fix the double free in the perf CPU map merging test case
- Add the missing ustring support for the perf probe command
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Merge tag 'perf-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner:
"A set of fixes and improvements for the perf subsystem:
Kernel fixes:
- Install cgroup events to the correct CPU context to prevent a
potential list double add
- Prevent an integer underflow in the perf mlock accounting
- Add a missing prototype for arch_perf_update_userpage()
Tooling:
- Add a missing unlock in the error path of maps__insert() in perf
maps.
- Fix the build with the latest libbfd
- Fix the perf parser so it does not delete parse event terms, which
caused a regression for using perf with the ARM CoreSight as the
sink configuration was missing due to the deletion.
- Fix the double free in the perf CPU map merging test case
- Add the missing ustring support for the perf probe command"
* tag 'perf-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf maps: Add missing unlock to maps__insert() error case
perf probe: Add ustring support for perf probe command
perf: Make perf able to build with latest libbfd
perf test: Fix test case Merge cpu map
perf parse: Copy string to perf_evsel_config_term
perf parse: Refactor 'struct perf_evsel_config_term'
kernel/events: Add a missing prototype for arch_perf_update_userpage()
perf/cgroups: Install cgroup events to correct cpuctx
perf/core: Fix mlock accounting in perf_mmap()
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||
|
Linus Torvalds
|
2fbc23c738 |
Two small fixes for the time(r) subsystem:
- Handle a subtle race between the clocksource watchdog and a concurrent
clocksource watchdog stop/start sequence correctly to prevent a timer
double add bug.
- Fix the file path for the core time namespace file.
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Merge tag 'timers-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"Two small fixes for the time(r) subsystem:
- Handle a subtle race between the clocksource watchdog and a
concurrent clocksource watchdog stop/start sequence correctly to
prevent a timer double add bug.
- Fix the file path for the core time namespace file"
* tag 'timers-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: Prevent double add_timer_on() for watchdog_timer
MAINTAINERS: Correct path to time namespace source file
|
||
|
Linus Torvalds
|
f06bed87d7 |
A set of fixes for the interrupt subsystem:
- Provision only ACPI enabled redistributors on GICv3
- Use the proper command colums when building the INVALL command for the
GICv3-ITS
- Ensure the allocation of the L2 vPE table for GICv4.1
- Correct the GICv4.1 VPROBASER programming so it uses the proper size
- A set of small GICv4.1 tidy up patches
- Configuration cleanup for C-SKY interrupt chip
- Clarify the function documentation for irq_set_wake() to document that
the wakeup functionality is orthogonal to the irq disable/enable
mechanism.
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Merge tag 'irq-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull interrupt fixes from Thomas Gleixner:
"A set of fixes for the interrupt subsystem:
- Provision only ACPI enabled redistributors on GICv3
- Use the proper command colums when building the INVALL command for
the GICv3-ITS
- Ensure the allocation of the L2 vPE table for GICv4.1
- Correct the GICv4.1 VPROBASER programming so it uses the proper
size
- A set of small GICv4.1 tidy up patches
- Configuration cleanup for C-SKY interrupt chip
- Clarify the function documentation for irq_set_wake() to document
that the wakeup functionality is orthogonal to the irq
disable/enable mechanism"
* tag 'irq-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic-v3-its: Rename VPENDBASER/VPROPBASER accessors
irqchip/gic-v3-its: Remove superfluous WARN_ON
irqchip/gic-v4.1: Drop 'tmp' in inherit_vpe_l1_table_from_rd()
irqchip/gic-v4.1: Ensure L2 vPE table is allocated at RD level
irqchip/gic-v4.1: Set vpe_l1_base for all redistributors
irqchip/gic-v4.1: Fix programming of GICR_VPROPBASER_4_1_SIZE
genirq: Clarify that irq wake state is orthogonal to enable/disable
irqchip/gic-v3-its: Reference to its_invall_cmd descriptor when building INVALL
irqchip: Some Kconfig cleanup for C-SKY
irqchip/gic-v3: Only provision redistributors that are enabled in ACPI
|
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Linus Torvalds
|
6ff90aa2cf |
A single fix for a EFI boot regression on X86 which was caused by the
recent rework of the EFI memory map parsing. On systems with invalid memmap entries the cleanup function uses an value which cannot be relied on in this stage. Use the actual EFI memmap entry instead. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAl5ABcYTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoXBWEACURHTBuiOHWFzO4tZtC8MzfVbLgNR2 aemHNslI0h/tJz+q8hEBnLnwNVS9xjwGaTl1B2Ij7Z0dJjLvcC9CrI1o7ibf0e9v Ba4ybAs5zAUiXyLsgcckDVXbBeU9LuzeKfNe1hPPIJgFeRrftwZpLRC6GUuSXODj cI13DF9sXxaWLZfktC5CZMcFZh5EtFYvfedAp/qMhb1ot2DdvQ9fBMexcSHKtCgT QIZU1DTO9JtOgbyEu+PM30/ID3WYJVXHNtyLFDNgIPK80EORD2Ujlw1LmEc/BrEt upN8sPiFMTtYDhDjgSc7tYuzF2n/on0xNM0JG8cXr2oGTb9unDxNiDK6VQ8hfDy3 8T0xK1DY6ithNSDznaLix03uNVkgh2MVCEZlb3429aM7APyn7+/O5lDo7sNVTUt5 QK/OOcf+2OvEr1VhKellze85yCIU4wOr4kiruDZXsBuu4PVyCQwnxz9JXeHb6Cg6 oWKdNT5AwdGENKmOPmjx+NBQPrWShYcYaKkA8hYMiFcewfHaL8m0FTdmcpp9XcwM /a2nNL4STS2O1hd/60fNVAEtFVXY821OhAG6qW3mehJGJlXGijfAxCUFHGR32279 9omyu33ii/wmZ+m1rp5meAY7qHBvBWwSrRCR3UWU3h5icOaBp0zU/FQoUlhqo0pT W9IhBcbPVy5kPA== =AU47 -----END PGP SIGNATURE----- Merge tag 'efi-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull EFI fix from Thomas Gleixner: "A single fix for a EFI boot regression on X86 which was caused by the recent rework of the EFI memory map parsing. On systems with invalid memmap entries the cleanup function uses an value which cannot be relied on in this stage. Use the actual EFI memmap entry instead" * tag 'efi-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: efi/x86: Fix boot regression on systems with invalid memmap entries |
||
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Linus Torvalds
|
fdfa3a6778 |
SCSI misc on 20200208
Five small patches, all in drivers or doc, which missed the initial pull request. The qla2xxx and megaraid_sas are actual fixes and the rest are spelling and doc changes. Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCXj8MoCYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishUjlAQChB8+I pBKVOfU+38vndu+YW6IRb11HhxKzY9LlHVf04wD+LxKsxuYKpZjivytfuYJGsxMD C5EWLUxB7GYUQItEBjQ= =7xJj -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull misc SCSI fixes from James Bottomley: "Five small patches, all in drivers or doc, which missed the initial pull request. The qla2xxx and megaraid_sas are actual fixes and the rest are spelling and doc changes" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: ufs: fix spelling mistake "initilized" -> "initialized" scsi: pm80xx: fix spelling mistake "to" -> "too" scsi: MAINTAINERS: ufs: remove pedrom.sousa@synopsys.com scsi: megaraid_sas: fixup MSIx interrupt setup during resume scsi: qla2xxx: Fix unbound NVME response length |
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Linus Torvalds
|
291abfea47 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:
1) Unbalanced locking in mwifiex_process_country_ie, from Brian Norris.
2) Fix thermal zone registration in iwlwifi, from Andrei
Otcheretianski.
3) Fix double free_irq in sgi ioc3 eth, from Thomas Bogendoerfer.
4) Use after free in mptcp, from Florian Westphal.
5) Use after free in wireguard's root_remove_peer_lists, from Eric
Dumazet.
6) Properly access packets heads in bonding alb code, from Eric
Dumazet.
7) Fix data race in skb_queue_len(), from Qian Cai.
8) Fix regression in r8169 on some chips, from Heiner Kallweit.
9) Fix XDP program ref counting in hv_netvsc, from Haiyang Zhang.
10) Certain kinds of set link netlink operations can cause a NULL deref
in the ipv6 addrconf code. Fix from Eric Dumazet.
11) Don't cancel uninitialized work queue in drop monitor, from Ido
Schimmel.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (84 commits)
net: thunderx: use proper interface type for RGMII
mt76: mt7615: fix max_nss in mt7615_eeprom_parse_hw_cap
bpf: Improve bucket_log calculation logic
selftests/bpf: Test freeing sockmap/sockhash with a socket in it
bpf, sockhash: Synchronize_rcu before free'ing map
bpf, sockmap: Don't sleep while holding RCU lock on tear-down
bpftool: Don't crash on missing xlated program instructions
bpf, sockmap: Check update requirements after locking
drop_monitor: Do not cancel uninitialized work item
mlxsw: spectrum_dpipe: Add missing error path
mlxsw: core: Add validation of hardware device types for MGPIR register
mlxsw: spectrum_router: Clear offload indication from IPv6 nexthops on abort
selftests: mlxsw: Add test cases for local table route replacement
mlxsw: spectrum_router: Prevent incorrect replacement of local table routes
net: dsa: microchip: enable module autoprobe
ipv6/addrconf: fix potential NULL deref in inet6_set_link_af()
dpaa_eth: support all modes with rate adapting PHYs
net: stmmac: update pci platform data to use phy_interface
net: stmmac: xgmac: fix missing IFF_MULTICAST checki in dwxgmac2_set_filter
net: stmmac: fix missing IFF_MULTICAST check in dwmac4_set_filter
...
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Linus Torvalds
|
d4f309ca41 |
powerpc fixes for 5.6 #2
Fix an existing bug in our user access handling, exposed by one of the bug fixes we merged this cycle. A fix for a boot hang on 32-bit with CONFIG_TRACE_IRQFLAGS and the recently added CONFIG_VMAP_STACK. Thanks to: Christophe Leroy, Guenter Roeck. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEJFGtCPCthwEv2Y/bUevqPMjhpYAFAl4+qP8THG1wZUBlbGxl cm1hbi5pZC5hdQAKCRBR6+o8yOGlgA0xEACAciGc2VvFMxMJ+M59Sd76/KLDeV38 VE2Q9BukGREby9ekjDUy7j94nnXIWrhPabaK0qIfIl2TtgkIjccBrkj7uGjA0pol 9ri0uGU2BtEvEqklsrJRXHcukHGQcKNPtKm9CRKSmuoK335x9BS7HhLOhyudVURQ /1lB8mM81UgmZ88j07Ws0Wa6sxaUWvCrBkRGmea5JIabOoRqELvUHZ9ZwFmMD9wL MW2LDFOTIFOAoVes4K2JZB5n4Es3xsXA9IP079dF5mH9bh9RjUHv4dBsrnQEvNC5 Yna5cwYJn8N1rRRX5Zh7jHh1BICC+Z5yXJfkW8WUs7bf8BqEC4ZdXcqiWBo1jTb0 OW8uM/syOApXVmxJC2H9zWcU576zoc3dDzW29LITMgEde1BlgtkX6Ezk17TZ4d8C jOt3LTNavsk5z4pu/11mRX/7bRKQ0A4MONnAtSzWWaIzWzaHkrVM226IS7kha4i6 GMyjHO7eDr+wRBPJyGh1QPou9d5sLacJ4TRECtP7AcPoafWY1Zpk61FDBc5OYTQp csxNzG5R0S6bGaty6VmvsCiPlyHW8gdQP0YRSqmZ6aAts5vipNQ3WJzOzh28CAEj A66E0L+nTbcNMmivgm4d23bXbqg0tH1vB2by5VJTj3QXAAIj+G68EwuqX/fIUqqh 62BAopZCeMYgSA== =+Urh -----END PGP SIGNATURE----- Merge tag 'powerpc-5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - Fix an existing bug in our user access handling, exposed by one of the bug fixes we merged this cycle. - A fix for a boot hang on 32-bit with CONFIG_TRACE_IRQFLAGS and the recently added CONFIG_VMAP_STACK. Thanks to: Christophe Leroy, Guenter Roeck. * tag 'powerpc-5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc: Fix CONFIG_TRACE_IRQFLAGS with CONFIG_VMAP_STACK powerpc/futex: Fix incorrect user access blocking |
||
|
Linus Torvalds
|
b0ef7cda8d |
Fix up remaining devm_ioremap_nocache() in SGI IOC3 8250 UART driver
This is a merge error on my part - the driver was merged into mainline by commit |
||
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Linus Torvalds
|
4ef1a30c6b |
ARM: SoC: late updates
This is some material that we picked up into our tree late, or that had
more complex dependencies on more than one topic branch that makes sense
to keep separately.
- TI support for secure accelerators and hwrng on OMAP4/5
- TI camera changes for dra7 and am437x and SGX improvement due to better
reset control support on am335x, am437x and dra7
- Davinci moves to proper clocksource on DM365, and regulator/audio
improvements for DM365 and DM644x eval boards
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC late updates from Olof Johansson:
"This is some material that we picked up into our tree late, or that
had more complex dependencies on more than one topic branch that makes
sense to keep separately.
- TI support for secure accelerators and hwrng on OMAP4/5
- TI camera changes for dra7 and am437x and SGX improvement due to
better reset control support on am335x, am437x and dra7
- Davinci moves to proper clocksource on DM365, and regulator/audio
improvements for DM365 and DM644x eval boards"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (32 commits)
ARM: dts: omap4-droid4: Enable hdq for droid4 ds250x 1-wire battery nvmem
ARM: dts: motorola-cpcap-mapphone: Configure calibration interrupt
ARM: dts: Configure interconnect target module for am437x sgx
ARM: dts: Configure sgx for dra7
ARM: dts: Configure rstctrl reset for am335x SGX
ARM: dts: dra7: Add ti-sysc node for VPE
ARM: dts: dra7: add vpe clkctrl node
ARM: dts: am43x-epos-evm: Add VPFE and OV2659 entries
ARM: dts: am437x-sk-evm: Add VPFE and OV2659 entries
ARM: dts: am43xx: add support for clkout1 clock
arm: dts: dra76-evm: Add CAL and OV5640 nodes
arm: dtsi: dra76x: Add CAL dtsi node
arm: dts: dra72-evm-common: Add entries for the CSI2 cameras
ARM: dts: DRA72: Add CAL dtsi node
ARM: dts: dra7-l4: Add ti-sysc node for CAM
ARM: OMAP: DRA7xx: Make CAM clock domain SWSUP only
ARM: dts: dra7: add cam clkctrl node
ARM: OMAP2+: Drop legacy platform data for omap4 des
ARM: OMAP2+: Drop legacy platform data for omap4 sham
ARM: OMAP2+: Drop legacy platform data for omap4 aes
...
|
||
|
Linus Torvalds
|
5939224ccd |
ARM: SoC defconfig updates
We keep this in a separate branch to avoid cross-branch conflicts, but most of the material here is fairly boring -- some new drivers turned on for hardware since they were merged, and some refreshed files due to time having moved a lot of entries around. -----BEGIN PGP SIGNATURE----- iQJDBAABCAAtFiEElf+HevZ4QCAJmMQ+jBrnPN6EHHcFAl4+kqgPHG9sb2ZAbGl4 b20ubmV0AAoJEIwa5zzehBx3l6gP/1hleyYLDm502+hzb/mFS1fUQ/JHH1/RK/J5 JhcDL2mcSLMIvLCWEl/XO0UA7wxrsVwV7mqmd2ChvHWIyXfZQG+T0gYGoXPGPxZp BDYHJ8E+pDT3v1owouBd1qA7a+d/D3FBJKwSI53j2PIQpH9xyTlBWxosQxhPGb33 E1BV8x2W3nIU5gLHI0KnjEXgLPXngWLn43Za9wnPGkxflCYKi9SAPg4o0NBIXmJH Fbi5QsGnhtogtQrPvOiJnYj0PgapxJPEhelZAY8wKYcjnjonELxTeAPRJ1EyBv6I wZiR5/ySZMRQR8mvjF7EO2q1W8VmxjAYHbld0SgaZkfvy8BcgH5YkprPpvSn9Y2C 4Ivs80LBc2Qqdq8887tarDz1QYY5NJPiOFEnJtwC0FcoNmfHETxdlefwS4fiJoBe axF6B5jDkKPiyxbVF+EbcdImGRN+WnNiKXTvJTGHXBuOZMMGNXqJPpD0Nxix7wQB oxkkbg1NGpGIgIT6q1RyHPpddkqSPKOI8gDRTMhQhL5FcYs69xBoWQ12rFuFyMHO gJeWCTRuLs4VVhpEhmQ8UwxSVkQz6XApvTbok3h822nHE1L8RgFuuLgCNmZQQP3C 89vOYtceEeGVSO2imkvA0pHM9Xv+/J1KviphCgzjmBi68dtBpFw8sVIus13tLUzC WDcR9GwC =8F5r -----END PGP SIGNATURE----- Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC defconfig updates from Olof Johansson: "We keep this in a separate branch to avoid cross-branch conflicts, but most of the material here is fairly boring -- some new drivers turned on for hardware since they were merged, and some refreshed files due to time having moved a lot of entries around" * tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (38 commits) ARM: configs: at91: enable MMC_SDHCI_OF_AT91 and MICROCHIP_PIT64B arm64: defconfig: Enable Broadcom's GENET Ethernet controller ARM: multi_v7_defconfig: Enable devfreq thermal integration ARM: exynos_defconfig: Enable devfreq thermal integration ARM: multi_v7_defconfig: Enable NFS v4.1 and v4.2 ARM: exynos_defconfig: Enable NFS v4.1 and v4.2 arm64: defconfig: Enable Actions Semi specific drivers arm64: defconfig: Enable Broadcom's STB PCIe controller arm64: defconfig: Enable CONFIG_CLK_IMX8MP by default ARM: configs: at91: enable config flags for sam9x60 SoC ARM: configs: at91: use savedefconfig arm64: defconfig: Enable tegra XUDC support ARM: defconfig: gemini: Update defconfig arm64: defconfig: enable CONFIG_ARM_QCOM_CPUFREQ_NVMEM arm64: defconfig: enable CONFIG_QCOM_CPR arm64: defconfig: Enable HFPLL arm64: defconfig: Enable CRYPTO_DEV_FSL_CAAM ARM: imx_v6_v7_defconfig: Select the TFP410 driver ARM: imx_v6_v7_defconfig: Enable NFS_V4_1 and NFS_V4_2 support arm64: defconfig: Enable ATH10K_SNOC ... |
||
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Linus Torvalds
|
eab3540562 |
ARM: SoC-related driver updates
Various driver updates for platforms:
- Nvidia: Fuse support for Tegra194, continued memory controller pieces
for Tegra30
- NXP/FSL: Refactorings of QuickEngine drivers to support ARM/ARM64/PPC
- NXP/FSL: i.MX8MP SoC driver pieces
- TI Keystone: ring accelerator driver
- Qualcomm: SCM driver cleanup/refactoring + support for new SoCs.
- Xilinx ZynqMP: feature checking interface for firmware. Mailbox
communication for power management
- Overall support patch set for cpuidle on more complex hierarchies
(PSCI-based)
+ Misc cleanups, refactorings of Marvell, TI, other platforms.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC-related driver updates from Olof Johansson:
"Various driver updates for platforms:
- Nvidia: Fuse support for Tegra194, continued memory controller
pieces for Tegra30
- NXP/FSL: Refactorings of QuickEngine drivers to support
ARM/ARM64/PPC
- NXP/FSL: i.MX8MP SoC driver pieces
- TI Keystone: ring accelerator driver
- Qualcomm: SCM driver cleanup/refactoring + support for new SoCs.
- Xilinx ZynqMP: feature checking interface for firmware. Mailbox
communication for power management
- Overall support patch set for cpuidle on more complex hierarchies
(PSCI-based)
and misc cleanups, refactorings of Marvell, TI, other platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (166 commits)
drivers: soc: xilinx: Use mailbox IPI callback
dt-bindings: power: reset: xilinx: Add bindings for ipi mailbox
drivers: soc: ti: knav_qmss_queue: Pass lockdep expression to RCU lists
MAINTAINERS: Add brcmstb PCIe controller entry
soc/tegra: fuse: Unmap registers once they are not needed anymore
soc/tegra: fuse: Correct straps' address for older Tegra124 device trees
soc/tegra: fuse: Warn if straps are not ready
soc/tegra: fuse: Cache values of straps and Chip ID registers
memory: tegra30-emc: Correct error message for timed out auto calibration
memory: tegra30-emc: Firm up hardware programming sequence
memory: tegra30-emc: Firm up suspend/resume sequence
soc/tegra: regulators: Do nothing if voltage is unchanged
memory: tegra: Correct reset value of xusb_hostr
soc/tegra: fuse: Add APB DMA dependency for Tegra20
bus: tegra-aconnect: Remove PM_CLK dependency
dt-bindings: mediatek: add MT6765 power dt-bindings
soc: mediatek: cmdq: delete not used define
memory: tegra: Add support for the Tegra194 memory controller
memory: tegra: Only include support for enabled SoCs
memory: tegra: Support DVFS on Tegra186 and later
...
|
||
|
Linus Torvalds
|
1afa9c3b7c |
ARM: Device-tree updates
New SoCs:
- Atmel/Microchip SAM9X60 (ARM926 SoC)
- OMAP 37xx gets split into AM3703/AM3715/DM3725, who are all variants
of it with different GPU/media IP configurations.
- ST stm32mp15 SoCs (1-2 Cortex-A7, CAN, GPU depending on SKU)
- ST Ericsson ab8505 (variant of ab8500) and db8520 (variant of db8500)
- Unisoc SC9863A SoC (8x Cortex-A55 mobile chipset w/ GPU, modem)
- Qualcomm SC7180 (8-core 64bit SoC, unnamed CPU class)
New boards:
- Allwinner
+ Emlid Neutis SoM (H3 variant)
+ Libre Computer ALL-H3-IT
+ PineH64 Model B
- Amlogic
+ Libretech Amlogic GX PC (s905d and s912-based variants)
- Atmel/Microchip:
+ Kizboxmini, sam9x60 EK, sama5d27 Wireless SOM (wlsom1)
- Marvell:
+ Armada 385-based SolidRun Clearfog GTR
- NXP:
+ Gateworks GW59xx boards based on i.MX6/6Q/6QDL
+ Tolino Shine 3 eBook reader (i.MX6sl)
+ Embedded Artists COM (i.MX7ULP)
+ SolidRun CLearfog CX/ITX and HoneyComb (LX2160A-based systems)
+ Google Coral Edge TPU (i.MX8MQ)
- Rockchip
+ Radxa Dalang Carrier (supports rk3288 and rk3399 SOMs)
+ Radxa Rock Pi N10 (RK3399Pro-based)
+ VMARC RK3399Pro SOM
- ST
+ Reference boards for stm32mp15
- ST Ericsson
+ Samsung Galaxy S III mini (GT-I8190)
+ HREF520 reference board for DB8520
- TI OMAP
+ Gen1 Amazon Echo (OMAP3630-based)
- Qualcomm
+ Inforce 6640 Single Board Computer (msm8996-based)
+ SC7180 IDP (SC7180-based)
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM Device-tree updates from Olof Johansson:
"New SoCs:
- Atmel/Microchip SAM9X60 (ARM926 SoC)
- OMAP 37xx gets split into AM3703/AM3715/DM3725, who are all
variants of it with different GPU/media IP configurations.
- ST stm32mp15 SoCs (1-2 Cortex-A7, CAN, GPU depending on SKU)
- ST Ericsson ab8505 (variant of ab8500) and db8520 (variant of
db8500)
- Unisoc SC9863A SoC (8x Cortex-A55 mobile chipset w/ GPU, modem)
- Qualcomm SC7180 (8-core 64bit SoC, unnamed CPU class)
New boards:
- Allwinner:
+ Emlid Neutis SoM (H3 variant)
+ Libre Computer ALL-H3-IT
+ PineH64 Model B
- Amlogic:
+ Libretech Amlogic GX PC (s905d and s912-based variants)
- Atmel/Microchip:
+ Kizboxmini, sam9x60 EK, sama5d27 Wireless SOM (wlsom1)
- Marvell:
+ Armada 385-based SolidRun Clearfog GTR
- NXP:
+ Gateworks GW59xx boards based on i.MX6/6Q/6QDL
+ Tolino Shine 3 eBook reader (i.MX6sl)
+ Embedded Artists COM (i.MX7ULP)
+ SolidRun CLearfog CX/ITX and HoneyComb (LX2160A-based systems)
+ Google Coral Edge TPU (i.MX8MQ)
- Rockchip:
+ Radxa Dalang Carrier (supports rk3288 and rk3399 SOMs)
+ Radxa Rock Pi N10 (RK3399Pro-based)
+ VMARC RK3399Pro SOM
- ST:
+ Reference boards for stm32mp15
- ST Ericsson:
+ Samsung Galaxy S III mini (GT-I8190)
+ HREF520 reference board for DB8520
- TI OMAP:
+ Gen1 Amazon Echo (OMAP3630-based)
- Qualcomm:
+ Inforce 6640 Single Board Computer (msm8996-based)
+ SC7180 IDP (SC7180-based)"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (623 commits)
dt-bindings: fix compilation error of the example in marvell,mmp3-hsic-phy.yaml
arm64: dts: ti: k3-am654-base-board: Add CSI2 OV5640 camera
arm64: dts: ti: k3-am65-main Add CAL node
arm64: dts: ti: k3-j721e-main: Add McASP nodes
arm64: dts: ti: k3-am654-main: Add McASP nodes
arm64: dts: ti: k3-j721e: DMA support
arm64: dts: ti: k3-j721e-main: Move secure proxy and smmu under main_navss
arm64: dts: ti: k3-j721e-main: Correct main NAVSS representation
arm64: dts: ti: k3-j721e: Correct the address for MAIN NAVSS
arm64: dts: ti: k3-am65: DMA support
arm64: dts: ti: k3-am65-main: Move secure proxy under cbass_main_navss
arm64: dts: ti: k3-am65-main: Correct main NAVSS representation
ARM: dts: aspeed: rainier: Add UCD90320 power sequencer
ARM: dts: aspeed: rainier: Switch PSUs to unknown version
arm64: dts: rockchip: Kill off "simple-panel" compatibles
ARM: dts: rockchip: Kill off "simple-panel" compatibles
arm64: dts: rockchip: rename dwmmc node names to mmc
ARM: dts: rockchip: rename dwmmc node names to mmc
arm64: dts: exynos: Rename Samsung and Exynos to lowercase
arm64: dts: uniphier: add reset-names to NAND controller node
...
|
||
|
Linus Torvalds
|
469030d454 |
ARM: SoC platform updates
Most of these are smaller fixes that have accrued, and some continued cleanup of OMAP platforms towards shared frameworks. One new SoC from Atmel/Microchip: sam9x60. -----BEGIN PGP SIGNATURE----- iQJDBAABCAAtFiEElf+HevZ4QCAJmMQ+jBrnPN6EHHcFAl45edcPHG9sb2ZAbGl4 b20ubmV0AAoJEIwa5zzehBx3qpMQAICcEmRfRPKHW7Uwmw1cEhcX7VxnPH0Y2Dnw ZIoWEdYvE3N9T0UWe2hi3e/ji8R09OttHH9/qLo3+VpgsN8LuaBKMx3vCbiWdJeh GCva5aFquwImG+EO/jri4CgjbTIxjR/nv6ZSE0FwG0Mg8xHg/MiXE/oCE++a2xz9 snYR5kVZBkgvrsUblPNb1FCIxiWIAytooEvd8H+2LFrXx3A6VvZOFTAPtLSX+Zvo 28VoloOdYyrcn+syyVw0vv/wONqvlgssjOLtG5DrMkjfF9oeqDkuPOcUFJVeI45S d1uxzPGKoVjYK+fY0Z3VYV+ZwJ5AcDagFdF/vh7PvOuV148UikFOEDWl9SEpFwEI E9W040UGxDfX8JG/Np3Nvm6WFQntixjfbWWeRVi0io4lwx9HCxrNMgRqCUPyYrXl 3aWBJSRq7tEJgIcba+Q/Urvsh7HjGEHpoFb3FzEp94iJej4R0WN5FNSUNEVgV5Dx 14bz/IRuHgqhRPgLbOtK3/J+LxYVJBiuog1ahLfUID4Vxw9Don48gPJAmyCECVkz VD7i3VnLQlEtDlhzOVD9NCdVnr7u72iqd3VJQSj7gpDJdHDVGwipl2B664X8cs12 FAQUeJx3UezTUiq4C143vb1SqbgKa6rEYlTEflcQzN1eYA60vtI6p4Xlip02bMy0 wTYIt6Xk =fIjZ -----END PGP SIGNATURE----- Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC platform updates from Olof Johansson: "Most of these are smaller fixes that have accrued, and some continued cleanup of OMAP platforms towards shared frameworks. One new SoC from Atmel/Microchip: sam9x60" * tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (35 commits) ARM: OMAP2+: Fix undefined reference to omap_secure_init ARM: s3c64xx: Drop unneeded select of TIMER_OF ARM: exynos: Drop unneeded select of MIGHT_HAVE_CACHE_L2X0 ARM: s3c24xx: Switch to atomic pwm API in rx1950 ARM: OMAP2+: sleep43xx: Call secure suspend/resume handlers ARM: OMAP2+: Use ARM SMC Calling Convention when OP-TEE is available ARM: OMAP2+: Introduce check for OP-TEE in omap_secure_init() ARM: OMAP2+: Add omap_secure_init callback hook for secure initialization ARM: at91: Documentation: add sam9x60 product and datasheet ARM: at91: pm: use of_device_id array to find the proper shdwc node ARM: at91: pm: use SAM9X60 PMC's compatible ARM: imx: only select ARM_ERRATA_814220 for ARMv7-A ARM: zynq: use physical cpuid in zynq_slcr_cpu_stop/start ARM: tegra: Use clk_m CPU on Tegra124 LP1 resume ARM: tegra: Modify reshift divider during LP1 ARM: tegra: Enable PLLP bypass during Tegra124 LP1 ARM: samsung: Rename Samsung and Exynos to lowercase ARM: exynos: Correct the help text for platform Kconfig option ARM: bcm: Select ARM_AMBA for ARCH_BRCMSTB ARM: brcmstb: Add debug UART entry for 7216 ... |
||
|
Linus Torvalds
|
b85080c106 |
compat-ioctl fix for v5.6
One patch in the compat-ioctl series broke 32-bit rootfs for multiple people testing on 64-bit kernels. Let's fix it in -rc1 before others run into the same issue. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJePyKSAAoJEGCrR//JCVInFMEP/0fH0rI/M2xL4neSjp50qV7Q M86gLTmatgNFLZGdC+xbaImaxpZHEMIF93JgOzN+0IRfdc7MbD23JEm5yzCZEc2I NCAsmjcoA+mq8ntOl8o2J1pgLpVOe4BoBRvAGYFIM2kS63JXloCi9mD/3svDJF8C WVPOskzoNT1pO9mRUKsAE740qdI86US/ksvrGOQQHVFVm3Iwm3srot4OBQYRaErw bVEl8vqSOEKtXQwk3r7QcW9Bi83WZuqTbkLxqTtWm/U/8JreA82qH1/6zDbKj7d5 IH/J8D4FJ2LLRP5860bLj0vGl5mKBEJaou2S8ak7sRNu4K8DZJlTYu7YNMTgocQE kbNylNqftKastVRGS1EPmOPdam8PiPlu3sxOY1X1TKO5+4jtb1WcqtFqmUkM5/Jk C4iMDXNHXmHcC+ORrjchpIZs53nkfSAdeUzQ7xxwZlfaHD3DXnsFi5DHEZ9PWf9a UlCOaWFLXRqdso30iobaaLa6JKa50Znjiqfsh6mbUuU9tmDnTffaHMy9eFhfMjqH eP3acYXkAyK2toHuE6l5qaM6mOlYfrooCw/75CfQB0CR3e5tmXXLdFA319/OHRwX m+tFby6Fw4KGGZWzXls54rZNa3ZmODj6N3Ymx1lKZfBVwblLNGHJYYVPP1ZUBCTS 43oommoGHO6/roOjLl3j =uMS2 -----END PGP SIGNATURE----- Merge tag 'compat-ioctl-fix' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground Pull compat-ioctl fix from Arnd Bergmann: "One patch in the compat-ioctl series broke 32-bit rootfs for multiple people testing on 64-bit kernels. Let's fix it in -rc1 before others run into the same issue" * tag 'compat-ioctl-fix' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground: compat_ioctl: fix FIONREAD on devices |
||
|
Linus Torvalds
|
c9d35ee049 |
Merge branch 'merge.nfs-fs_parse.1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs file system parameter updates from Al Viro: "Saner fs_parser.c guts and data structures. The system-wide registry of syntax types (string/enum/int32/oct32/.../etc.) is gone and so is the horror switch() in fs_parse() that would have to grow another case every time something got added to that system-wide registry. New syntax types can be added by filesystems easily now, and their namespace is that of functions - not of system-wide enum members. IOW, they can be shared or kept private and if some turn out to be widely useful, we can make them common library helpers, etc., without having to do anything whatsoever to fs_parse() itself. And we already get that kind of requests - the thing that finally pushed me into doing that was "oh, and let's add one for timeouts - things like 15s or 2h". If some filesystem really wants that, let them do it. Without somebody having to play gatekeeper for the variants blessed by direct support in fs_parse(), TYVM. Quite a bit of boilerplate is gone. And IMO the data structures make a lot more sense now. -200LoC, while we are at it" * 'merge.nfs-fs_parse.1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (25 commits) tmpfs: switch to use of invalfc() cgroup1: switch to use of errorfc() et.al. procfs: switch to use of invalfc() hugetlbfs: switch to use of invalfc() cramfs: switch to use of errofc() et.al. gfs2: switch to use of errorfc() et.al. fuse: switch to use errorfc() et.al. ceph: use errorfc() and friends instead of spelling the prefix out prefix-handling analogues of errorf() and friends turn fs_param_is_... into functions fs_parse: handle optional arguments sanely fs_parse: fold fs_parameter_desc/fs_parameter_spec fs_parser: remove fs_parameter_description name field add prefix to fs_context->log ceph_parse_param(), ceph_parse_mon_ips(): switch to passing fc_log new primitive: __fs_parse() switch rbd and libceph to p_log-based primitives struct p_log, variants of warnf() et.al. taking that one instead teach logfc() to handle prefices, give it saner calling conventions get rid of cg_invalf() ... |
||
|
Linus Torvalds
|
236f453294 |
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro: - bmap series from cmaiolino - getting rid of convolutions in copy_mount_options() (use a couple of copy_from_user() instead of the __get_user() crap) * 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: saner copy_mount_options() fibmap: Reject negative block numbers fibmap: Use bmap instead of ->bmap method in ioctl_fibmap ecryptfs: drop direct calls to ->bmap cachefiles: drop direct usage of ->bmap method. fs: Enable bmap() function to properly return errors |
||
|
Linus Torvalds
|
995933305e |
Merge branch 'pipe-exclusive-wakeup'
Merge thundering herd avoidance on pipe IO. This would have been applied for 5.5 already, but got delayed because of a user-space race condition in the GNU make jobserver code. Now that there's a new GNU make 4.3 release, and most distributions seem to have at least applied the (almost three year old) fix for the problem, let's see if people notice. And it might have been just bad random timing luck on my machine. If you do hit the race condition, things will still work, but the symptom is that you don't get nearly the expected parallelism when using "make -j<N>". The jobserver bug can definitely happen without this patch too, but seems to be easier to trigger when we no longer wake up pipe waiters unnecessarily. * pipe-exclusive-wakeup: pipe: use exclusive waits when reading or writing |
||
|
Linus Torvalds
|
0ddad21d3e |
pipe: use exclusive waits when reading or writing
This makes the pipe code use separate wait-queues and exclusive waiting
for readers and writers, avoiding a nasty thundering herd problem when
there are lots of readers waiting for data on a pipe (or, less commonly,
lots of writers waiting for a pipe to have space).
While this isn't a common occurrence in the traditional "use a pipe as a
data transport" case, where you typically only have a single reader and
a single writer process, there is one common special case: using a pipe
as a source of "locking tokens" rather than for data communication.
In particular, the GNU make jobserver code ends up using a pipe as a way
to limit parallelism, where each job consumes a token by reading a byte
from the jobserver pipe, and releases the token by writing a byte back
to the pipe.
This pattern is fairly traditional on Unix, and works very well, but
will waste a lot of time waking up a lot of processes when only a single
reader needs to be woken up when a writer releases a new token.
A simplified test-case of just this pipe interaction is to create 64
processes, and then pass a single token around between them (this
test-case also intentionally passes another token that gets ignored to
test the "wake up next" logic too, in case anybody wonders about it):
#include <unistd.h>
int main(int argc, char **argv)
{
int fd[2], counters[2];
pipe(fd);
counters[0] = 0;
counters[1] = -1;
write(fd[1], counters, sizeof(counters));
/* 64 processes */
fork(); fork(); fork(); fork(); fork(); fork();
do {
int i;
read(fd[0], &i, sizeof(i));
if (i < 0)
continue;
counters[0] = i+1;
write(fd[1], counters, (1+(i & 1)) *sizeof(int));
} while (counters[0] < 1000000);
return 0;
}
and in a perfect world, passing that token around should only cause one
context switch per transfer, when the writer of a token causes a
directed wakeup of just a single reader.
But with the "writer wakes all readers" model we traditionally had, on
my test box the above case causes more than an order of magnitude more
scheduling: instead of the expected ~1M context switches, "perf stat"
shows
231,852.37 msec task-clock # 15.857 CPUs utilized
11,250,961 context-switches # 0.049 M/sec
616,304 cpu-migrations # 0.003 M/sec
1,648 page-faults # 0.007 K/sec
1,097,903,998,514 cycles # 4.735 GHz
120,781,778,352 instructions # 0.11 insn per cycle
27,997,056,043 branches # 120.754 M/sec
283,581,233 branch-misses # 1.01% of all branches
14.621273891 seconds time elapsed
0.018243000 seconds user
3.611468000 seconds sys
before this commit.
After this commit, I get
5,229.55 msec task-clock # 3.072 CPUs utilized
1,212,233 context-switches # 0.232 M/sec
103,951 cpu-migrations # 0.020 M/sec
1,328 page-faults # 0.254 K/sec
21,307,456,166 cycles # 4.074 GHz
12,947,819,999 instructions # 0.61 insn per cycle
2,881,985,678 branches # 551.096 M/sec
64,267,015 branch-misses # 2.23% of all branches
1.702148350 seconds time elapsed
0.004868000 seconds user
0.110786000 seconds sys
instead. Much better.
[ Note! This kernel improvement seems to be very good at triggering a
race condition in the make jobserver (in GNU make 4.2.1) for me. It's
a long known bug that was fixed back in June 2017 by GNU make commit
b552b0525198 ("[SV 51159] Use a non-blocking read with pselect to
avoid hangs.").
But there wasn't a new release of GNU make until 4.3 on Jan 19 2020,
so a number of distributions may still have the buggy version. Some
have backported the fix to their 4.2.1 release, though, and even
without the fix it's quite timing-dependent whether the bug actually
is hit. ]
Josh Triplett says:
"I've been hammering on your pipe fix patch (switching to exclusive
wait queues) for a month or so, on several different systems, and I've
run into no issues with it. The patch *substantially* improves
parallel build times on large (~100 CPU) systems, both with parallel
make and with other things that use make's pipe-based jobserver.
All current distributions (including stable and long-term stable
distributions) have versions of GNU make that no longer have the
jobserver bug"
Tested-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Arnd Bergmann
|
0a061743af |
compat_ioctl: fix FIONREAD on devices
My final cleanup patch for sys_compat_ioctl() introduced a regression on
the FIONREAD ioctl command, which is used for both regular and special
files, but only works on regular files after my patch, as I had missed
the warning that Al Viro put into a comment right above it.
Change it back so it can work on any file again by moving the implementation
to do_vfs_ioctl() instead.
Fixes:
|
||
|
Thomas Gleixner
|
2f86e45a7f |
irqchip fixes for 5.6, take #1
- Guarantee allocation of L2 vPE table for GICv4.1 - Fix GICv4.1 VPROPBASER programming - Numerous GICv4.1 tidy ups - Fix disabled GICv3 redistributor provisioning with ACPI - KConfig cleanup for C-SKY -----BEGIN PGP SIGNATURE----- iQJDBAABCgAtFiEEn9UcU+C1Yxj9lZw9I9DQutE9ekMFAl4+nyAPHG1hekBrZXJu ZWwub3JnAAoJECPQ0LrRPXpDNDAP/2Us9avq4NnTk9x8Kbe7Y6mCgBHcqFLfLH+t yiwGK+TbTvFoy9SXdlD9NCoTIKQGDH1qmWj9PG9WKUOGEpwYuerRmie2H3Lk9pF+ KYcHmXi9PTfDmkFBavIupf+l7+PBj3CZa3pVqy/6Wo2iMbItZmJqLlPFqX3rmMbj NqAZWfs9nBtWqa5e8g99g233VAVW7JqEnCZJQdkD6Bm+IGWVX0cUQWftrCYkhkQl iLIpxc0lKuxydtGAeAZqvWJqkz+xd6k+UpxCoCwiORAaE8j6U0UPPJZmqu5JKBdN 8nKwpya9eZzKxBTurmdiqXdgGfNfxyAG0SR8wgU80RrM6UzciJNlk/yYgCfRSpar zGhaKbqM2AauDULfmal09OIMnvrBW+8Swk36VeDVHzkjdBymaA2Tare9feeOHv6b eLVVIwQdPnNf5yB6lKWJpp1d5BIh+asASMpuyO10dMBfSMvyOqe1VhlPaInRQqh3 qDaSdbKXR19aEZ3NTtps/3rRYPsAU2K/3gacraEMj5E1EW6aRoODjOzl3G0Gr23+ f01VyKLgMs7PWCUBdcHNUrk8CBAELFZ6C/6KCXOPgnG445NpGt3BkAHvNCEvCqqQ EDPdImBeZzEi2u+/61567Irb/WwrbKrtWGYE8fESiaCK93eVHqxTUcSboIwWGz/s WNJdP8QZ =DQlH -----END PGP SIGNATURE----- Merge tag 'irqchip-fixes-5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent Pull irqchip fixes for 5.6, take #1 from Marc Zyngier: - Guarantee allocation of L2 vPE table for GICv4.1 - Fix GICv4.1 VPROPBASER programming - Numerous GICv4.1 tidy ups - Fix disabled GICv3 redistributor provisioning with ACPI - KConfig cleanup for C-SKY |
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|
Tim Harvey
|
29ca3b3175 |
net: thunderx: use proper interface type for RGMII
The configuration of the OCTEONTX XCV_DLL_CTL register via xcv_init_hw() is such that the RGMII RX delay is bypassed leaving the RGMII TX delay enabled in the MAC: /* Configure DLL - enable or bypass * TX no bypass, RX bypass */ cfg = readq_relaxed(xcv->reg_base + XCV_DLL_CTL); cfg &= ~0xFF03; cfg |= CLKRX_BYP; writeq_relaxed(cfg, xcv->reg_base + XCV_DLL_CTL); This would coorespond to a interface type of PHY_INTERFACE_MODE_RGMII_RXID and not PHY_INTERFACE_MODE_RGMII. Fixing this allows RGMII PHY drivers to do the right thing (enable RX delay in the PHY) instead of erroneously enabling both delays in the PHY. Signed-off-by: Tim Harvey <tharvey@gateworks.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> |
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|
David S. Miller
|
c76b305c23 |
wireless-drivers fixes for v5.6
First set of fixes for v5.6. Buffer overflow fixes to mwifiex, quite a few functionality fixes to iwlwifi and smaller fixes to other drivers. mwifiex * fix an unlock from a previous security fix * fix two buffer overflows libertas * fix two bugs from previous security fixes iwlwifi * fix module removal with multiple NICs * don't treat IGTK removal failure as an error * avoid FW crashes due to DTS measurement races * fix a potential use after free in FTM code * prevent a NULL pointer dereference in iwl_mvm_cfg_he_sta() * fix TDLS discovery * check all CPUs when trying to detect an error during resume rtw88 * fix clang warning mt76 * fix reading of max_nss value from a register -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJePoxJAAoJEG4XJFUm622b7a4H/2t/K/AmDv+j2mGos+2oVlSh RFIXBjYs4GY5NGdLQx56qfiQzlgn8NAWwQqwhtoyVxnJTZjhmQkfMpJIw14tbFB1 OwHd+q7y7jXY9v7YBPlyqCxkzQL3u+GrzFIb04cXrSdzqh+5qWk4Zn7F6ZYJ1vwb xRDOJfOE/a9GGzzY5+iwxyZ6Y1E+OjbgT4Ps5YUaotH1iMGza7NPu6s+UkULkyRo ylbiOR9u6jOiwUkSxUz+GGiXKJ9BQTLKm5kLM7lO5I49AcZb5UOIKJaJxHN0hMwj uprqUsqtbO+bv8SKAjKLR/yQf2gmB+pSSeAmmfJ8ov5igg2g12sNfdy8ScWLks8= =FiiT -----END PGP SIGNATURE----- Merge tag 'wireless-drivers-2020-02-08' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers Kalle Valo says: ==================== wireless-drivers fixes for v5.6 First set of fixes for v5.6. Buffer overflow fixes to mwifiex, quite a few functionality fixes to iwlwifi and smaller fixes to other drivers. mwifiex * fix an unlock from a previous security fix * fix two buffer overflows libertas * fix two bugs from previous security fixes iwlwifi * fix module removal with multiple NICs * don't treat IGTK removal failure as an error * avoid FW crashes due to DTS measurement races * fix a potential use after free in FTM code * prevent a NULL pointer dereference in iwl_mvm_cfg_he_sta() * fix TDLS discovery * check all CPUs when trying to detect an error during resume rtw88 * fix clang warning mt76 * fix reading of max_nss value from a register ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
David S. Miller
|
2696e1146d |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says: ==================== pull-request: bpf 2020-02-07 The following pull-request contains BPF updates for your *net* tree. We've added 15 non-merge commits during the last 10 day(s) which contain a total of 12 files changed, 114 insertions(+), 31 deletions(-). The main changes are: 1) Various BPF sockmap fixes related to RCU handling in the map's tear- down code, from Jakub Sitnicki. 2) Fix macro state explosion in BPF sk_storage map when calculating its bucket_log on allocation, from Martin KaFai Lau. 3) Fix potential BPF sockmap update race by rechecking socket's established state under lock, from Lorenz Bauer. 4) Fix crash in bpftool on missing xlated instructions when kptr_restrict sysctl is set, from Toke Høiland-Jørgensen. 5) Fix i40e's XSK wakeup code to return proper error in busy state and various misc fixes in xdpsock BPF sample code, from Maciej Fijalkowski. 6) Fix the way modifiers are skipped in BTF in the verifier while walking pointers to avoid program rejection, from Alexei Starovoitov. 7) Fix Makefile for runqslower BPF tool to i) rebuild on libbpf changes and ii) to fix undefined reference linker errors for older gcc version due to order of passed gcc parameters, from Yulia Kartseva and Song Liu. 8) Fix a trampoline_count BPF kselftest warning about missing braces around initializer, from Andrii Nakryiko. 9) Fix up redundant "HAVE" prefix from large INSN limit kernel probe in bpftool, from Michal Rostecki. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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|
Christophe Leroy
|
d4bf905307 |
powerpc: Fix CONFIG_TRACE_IRQFLAGS with CONFIG_VMAP_STACK
When CONFIG_PROVE_LOCKING is selected together with (now default)
CONFIG_VMAP_STACK, kernel enter deadlock during boot.
At the point of checking whether interrupts are enabled or not, the
value of MSR saved on stack is read using the physical address of the
stack. But at this point, when using VMAP stack the DATA MMU
translation has already been re-enabled, leading to deadlock.
Don't use the physical address of the stack when
CONFIG_VMAP_STACK is set.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reported-by: Guenter Roeck <linux@roeck-us.net>
Fixes:
|
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|
Michael Ellerman
|
9dc086f1e9 |
powerpc/futex: Fix incorrect user access blocking
The early versions of our kernel user access prevention (KUAP) were written by Russell and Christophe, and didn't have separate read/write access. At some point I picked up the series and added the read/write access, but I failed to update the usages in futex.h to correctly allow read and write. However we didn't notice because of another bug which was causing the low-level code to always enable read and write. That bug was fixed recently in commit |
||
|
Zenghui Yu
|
5186a6cc3e |
irqchip/gic-v3-its: Rename VPENDBASER/VPROPBASER accessors
V{PEND,PROP}BASER registers are actually located in VLPI_base frame
of the *redistributor*. Rename their accessors to reflect this fact.
No functional changes.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200206075711.1275-7-yuzenghui@huawei.com
|
||
|
Zenghui Yu
|
b46353250b |
irqchip/gic-v3-its: Remove superfluous WARN_ON
"ITS virtual pending table not cleaning" is already complained inside its_clear_vpend_valid(), there's no need to trigger a WARN_ON again. Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200206075711.1275-6-yuzenghui@huawei.com |
||
|
Zenghui Yu
|
4bccf1d715 |
irqchip/gic-v4.1: Drop 'tmp' in inherit_vpe_l1_table_from_rd()
The variable 'tmp' in inherit_vpe_l1_table_from_rd() is actually not needed, drop it. Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200206075711.1275-5-yuzenghui@huawei.com |
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|
Zenghui Yu
|
4e6437f12d |
irqchip/gic-v4.1: Ensure L2 vPE table is allocated at RD level
In GICv4, we will ensure that level2 vPE table memory is allocated for the specified vpe_id on all v4 ITS, in its_alloc_vpe_table(). This still works well for the typical GICv4.1 implementation, where the new vPE table is shared between the ITSs and the RDs. To make it explicit, let us introduce allocate_vpe_l2_table() to make sure that the L2 tables are allocated on all v4.1 RDs. We're likely not need to allocate memory in it because the vPE table is shared and (L2 table is) already allocated at ITS level, except for the case where the ITS doesn't share anything (say SVPET == 0, practically unlikely but architecturally allowed). The implementation of allocate_vpe_l2_table() is mostly copied from its_alloc_table_entry(). Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200206075711.1275-4-yuzenghui@huawei.com |
||
|
Zenghui Yu
|
8b718d403c |
irqchip/gic-v4.1: Set vpe_l1_base for all redistributors
Currently, we will not set vpe_l1_page for the current RD if we can inherit the vPE configuration table from another RD (or ITS), which results in an inconsistency between RDs within the same CommonLPIAff group. Let's rename it to vpe_l1_base to indicate the base address of the vPE configuration table of this RD, and set it properly for *all* v4.1 redistributors. Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200206075711.1275-3-yuzenghui@huawei.com |
||
|
Zenghui Yu
|
e88bd316e5 |
irqchip/gic-v4.1: Fix programming of GICR_VPROPBASER_4_1_SIZE
The Size field of GICv4.1 VPROPBASER register indicates number of pages minus one and together Page_Size and Size control the vPEID width. Let's respect this requirement of the architecture. Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200206075711.1275-2-yuzenghui@huawei.com |
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|
Lorenzo Bianconi
|
d08f3010f4 |
mt76: mt7615: fix max_nss in mt7615_eeprom_parse_hw_cap
Fix u8 cast reading max_nss from MT_TOP_STRAP_STA register in
mt7615_eeprom_parse_hw_cap routine
Fixes:
|
||
|
Linus Torvalds
|
f757165705 |
fuse fixes for 5.6-rc1
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSQHSd0lITzzeNWNm3h3BK/laaZPAUCXj182AAKCRDh3BK/laaZ PIiWAQCprdMIBe0u9Rd9cqQYXClOI7PI9oIcpLmkIlHDuUWDgQD/Y4c1UMsN8yQY d8cYZXMivKKhyY2nRitR1mbv0RPoGwE= =8hFo -----END PGP SIGNATURE----- Merge tag 'fuse-fixes-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Pull fuse fixes from Miklos Szeredi: - Fix a regression introduced in v5.1 that triggers WARNINGs for some fuse filesystems - Fix an xfstest failure - Allow overlayfs to be used on top of fuse/virtiofs - Code and documentation cleanups * tag 'fuse-fixes-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: use true,false for bool variable Documentation: filesystems: convert fuse to RST fuse: Support RENAME_WHITEOUT flag fuse: don't overflow LLONG_MAX with end offset fix up iter on short count in fuse_direct_io() |
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|
Linus Torvalds
|
175787e011 |
Changes in gfs2:
- Fix a bug in Abhi Das's journal head lookup improvements that can cause a valid journal to be rejected. - Fix an O_SYNC write handling bug reported by Christoph Hellwig. -----BEGIN PGP SIGNATURE----- iQJIBAABCAAyFiEEJZs3krPW0xkhLMTc1b+f6wMTZToFAl49TKgUHGFncnVlbmJh QHJlZGhhdC5jb20ACgkQ1b+f6wMTZTqG4RAAmXJfWI7UskM3ZRSVivbBwc0R3P9h PgdgeXlr/k4mJ2I421/btln614l4nD+JuG/FplOvj2m3YCzeKj2W+OiSxqahmwGm 7yGb0sFHjx6wZcID37mig5aqo2MJYI0xTAR6rSI2tAA7E/B7KX8SfFIS2EWB2vLz +rzCawqUGWKCiS/tZTe6JlB0Aeg20oy0Y00p3gewMN0ILNqy0w9kA+LVOGQYyUmW rrad638czIXi7kugWvNo82vcoU140m3A6OTaINf3EaT8AmOtw+e4qyej+f82BiVS RIXWKI+uRSfKFE+aYkwTxQn0BCMor63QIs3aaDXyLZBqnhTywRsckK6O7iBLFVDb NQc86wxiHzDoWubXstV0lrlel5m5dHT0dUq8mVogj4kOtwOvejiDRopqtdGkdxA5 j8zFV6O8BRPUw5g7MS37n9myuTNRj5q3L2vmN2xZ6fZmHykorwbwLbw0WMeAQ/4i pQh4NGE6h/lSPZIa/ZVCH8hwj2b41ZtAQK3k8G5IhNUhMHNkU8iynTbddoHFPsOF 67hj/aAycDx2NA6j/suS8PGt7PPU+VwwoDLKIG64bTHFTpwnRDNzZDt9wPIB9sGu P4QlSQYPrLf/u8+TD8yv2VJsyAEMFl1UQWbxqf6EzLtKjRM/TIoQsdRUF7upqUnN k5CM8FgmfYpIiFQ= =+6PA -----END PGP SIGNATURE----- Merge tag 'gfs2-for-5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 Pull gfs2 fixes from Andreas Gruenbacher: - Fix a bug in Abhi Das's journal head lookup improvements that can cause a valid journal to be rejected. - Fix an O_SYNC write handling bug reported by Christoph Hellwig. * tag 'gfs2-for-5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: gfs2: fix O_SYNC write handling gfs2: move setting current->backing_dev_info gfs2: fix gfs2_find_jhead that returns uninitialized jhead with seq 0 |
||
|
Linus Torvalds
|
60ea27e936 |
orangefs: a debugfs fix
Vasliy Averin noticed that "if seq_file .next function does not change position index, read after some lseek can generate unexpected output." and sent in this fix. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJePJJTAAoJEM9EDqnrzg2+S8YQAIYo2nEphfAjWufSYdPwVY0f OQ3xAwX69gpzlQPwNTcTmoxQ/A/E8r2lwOmL5H7wYPlqUHtDjiS5EAhnCvtCIRS1 mHR35qsdlW0o4yKWQtYnfcuY6p3ucSASBaKYGO5NrKuVdsqASJT/aFTixVFmO8V2 eo8VZlhwYARTgGWJQpvIvSbQJRi6BDnE3kWimuRdq5TMnH0piMm6Vpef2P5vTaE3 L5D63iCuJbg7nBR4KS2Mc77Ou4lj3RCQGBQBz1hRGs0zJbqNrlExGaCE+FkabJ92 WWITYrh4DaA+wAhmkMbxh8g7DThZFkkK+fsNOZIlSVry3wFuZ1E+6UFUHVICrgxG y99wGKV816SfbKD0DZ9cer6slMnNXRRNWzbXqOzey85UmNQSuCNZrVokM8TE1Pve q7OOxoqg6N/S46gc+3nrv0kNZ9eg1rh4jyvCdtL4we1AgPPb6O+ihuxlrj9oFPlW zo9wHn7Zt1xu+jtQJxR5tChpD5FmO1im0LOYeaJHv76zhOakRTcQ19OnQMUlQ/gk ez+5T5LxfmYUHew6kTnGvvp76zZF5QkylsUVOLPke8KChXvLP06ib9Nuya7lBX7+ WtvLKVRNYMmwose1HsYjQo2DgD0p2fdJhEe61Q5VDFCBI8X8wkv7fV+Hm2ud3/hz b9RfP2CnwJbCKzHTolKE =tjs3 -----END PGP SIGNATURE----- Merge tag 'for-linus-5.6-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux Pull orangefs fix from Mike Marshall: "Debugfs fix for orangefs. Vasliy Averin noticed that 'if seq_file .next function does not change position index, read after some lseek can generate unexpected output' and sent in this fix" * tag 'for-linus-5.6-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux: help_next should increase position index |
||
|
Linus Torvalds
|
08dffcc7d9 |
Highlights:
- Server-to-server copy code from Olga. To use it, client and
both servers must have support, the target server must be able
to access the source server over NFSv4.2, and the target
server must have the inter_copy_offload_enable module
parameter set.
- Improvements and bugfixes for the new filehandle cache,
especially in the container case, from Trond
- Also from Trond, better reporting of write errors.
- Y2038 work from Arnd.
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Merge tag 'nfsd-5.6' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields:
"Highlights:
- Server-to-server copy code from Olga.
To use it, client and both servers must have support, the target
server must be able to access the source server over NFSv4.2, and
the target server must have the inter_copy_offload_enable module
parameter set.
- Improvements and bugfixes for the new filehandle cache, especially
in the container case, from Trond
- Also from Trond, better reporting of write errors.
- Y2038 work from Arnd"
* tag 'nfsd-5.6' of git://linux-nfs.org/~bfields/linux: (55 commits)
sunrpc: expiry_time should be seconds not timeval
nfsd: make nfsd_filecache_wq variable static
nfsd4: fix double free in nfsd4_do_async_copy()
nfsd: convert file cache to use over/underflow safe refcount
nfsd: Define the file access mode enum for tracing
nfsd: Fix a perf warning
nfsd: Ensure sampling of the write verifier is atomic with the write
nfsd: Ensure sampling of the commit verifier is atomic with the commit
sunrpc: clean up cache entry add/remove from hashtable
sunrpc: Fix potential leaks in sunrpc_cache_unhash()
nfsd: Ensure exclusion between CLONE and WRITE errors
nfsd: Pass the nfsd_file as arguments to nfsd4_clone_file_range()
nfsd: Update the boot verifier on stable writes too.
nfsd: Fix stable writes
nfsd: Allow nfsd_vfs_write() to take the nfsd_file as an argument
nfsd: Fix a soft lockup race in nfsd_file_mark_find_or_create()
nfsd: Reduce the number of calls to nfsd_file_gc()
nfsd: Schedule the laundrette regularly irrespective of file errors
nfsd: Remove unused constant NFSD_FILE_LRU_RESCAN
nfsd: Containerise filecache laundrette
...
|
||
|
Linus Torvalds
|
f43574d0ac |
NFS Client Updates for Linux 5.6
Stable bugfixes: - Fix memory leaks and corruption in readdir # v2.6.37+ - Directory page cache needs to be locked when read # v2.6.37+ New features: - Convert NFS to use the new mount API - Add "softreval" mount option to let clients use cache if server goes down - Add a config option to compile without UDP support - Limit the number of inactive delegations the client can cache at once - Improved readdir concurrency using iterate_shared() Other bugfixes and cleanups: - More 64-bit time conversions - Add additional diagnostic tracepoints - Check for holes in swapfiles, and add dependency on CONFIG_SWAP - Various xprtrdma cleanups to prepare for 5.7's changes - Several fixes for NFS writeback and commit handling - Fix acls over krb5i/krb5p mounts - Recover from premature loss of openstateids - Fix NFS v3 chacl and chmod bug - Compare creds using cred_fscmp() - Use kmemdup_nul() in more places - Optimize readdir cache page invalidation - Lease renewal and recovery fixes -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEnZ5MQTpR7cLU7KEp18tUv7ClQOsFAl48kMUACgkQ18tUv7Cl QOs/bA/+KAHaee+1jWdgRS88CnNDfeokU2sGWuyXWrVTmiKZ+IjnIUIWqmeKhVyg RTbaG4PGTIwiLDFibgzdnc3cTOQEgLnVGWWZ50Xh3b7ubock7+/4JHxqZS+/f3vf yqwM0dZaXi5Kcx1kEJ+niBxuzkc9mFI+nHh+wLIlin/kaaUdLKu7mP3NXj2cmWxN NoRaKc2gEvkPHhPSH4Z1DVXTHxvH2REFvt9APPUgfLfqcUVHV9b7V/wI/roiGWMn 53h6f38IdqoNQIpzMog/k/va67NLmEvUZOlpCYPyanPOjuxTrmi8iC2S6gLEOjtc GGnQnc5skVL31seFR1NbOJiiN3hTLTncnoXza0cKtYxmo7a/FjXApw4jCu3Rkrav UXpCI4O6+2AVVG+pEPbjQy3/GEImeoGvp+xr57jBSZBHoDZU9LDwag65qvZ1btIq KOBx2gweQz0aB2heXmfee7qzxFdftHmtMWhIMnJASKNuAWGL23Scqem+d97i2T6H 7y9OJ3aOXiYxFMLYJCsLWjUJxYiaIANNBmHMjf27mZzcdDuxGFms277CMpNPr3SU WZk6/oKw9jaRSzHzaKgVDXiULLXQE1/xZ/mvgR/zk1QAusyeXPvVnMdxoRdxFdXb QGZHgUqvFvYi8Lufvs+ZLGS4sAp7oD/Q+lNPXn7cniSwfY4uJiw= =b6+F -----END PGP SIGNATURE----- Merge tag 'nfs-for-5.6-1' of git://git.linux-nfs.org/projects/anna/linux-nfs Puyll NFS client updates from Anna Schumaker: "Stable bugfixes: - Fix memory leaks and corruption in readdir # v2.6.37+ - Directory page cache needs to be locked when read # v2.6.37+ New features: - Convert NFS to use the new mount API - Add "softreval" mount option to let clients use cache if server goes down - Add a config option to compile without UDP support - Limit the number of inactive delegations the client can cache at once - Improved readdir concurrency using iterate_shared() Other bugfixes and cleanups: - More 64-bit time conversions - Add additional diagnostic tracepoints - Check for holes in swapfiles, and add dependency on CONFIG_SWAP - Various xprtrdma cleanups to prepare for 5.7's changes - Several fixes for NFS writeback and commit handling - Fix acls over krb5i/krb5p mounts - Recover from premature loss of openstateids - Fix NFS v3 chacl and chmod bug - Compare creds using cred_fscmp() - Use kmemdup_nul() in more places - Optimize readdir cache page invalidation - Lease renewal and recovery fixes" * tag 'nfs-for-5.6-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (93 commits) NFSv4.0: nfs4_do_fsinfo() should not do implicit lease renewals NFSv4: try lease recovery on NFS4ERR_EXPIRED NFS: Fix memory leaks nfs: optimise readdir cache page invalidation NFS: Switch readdir to using iterate_shared() NFS: Use kmemdup_nul() in nfs_readdir_make_qstr() NFS: Directory page cache pages need to be locked when read NFS: Fix memory leaks and corruption in readdir SUNRPC: Use kmemdup_nul() in rpc_parse_scope_id() NFS: Replace various occurrences of kstrndup() with kmemdup_nul() NFSv4: Limit the total number of cached delegations NFSv4: Add accounting for the number of active delegations held NFSv4: Try to return the delegation immediately when marked for return on close NFS: Clear NFS_DELEGATION_RETURN_IF_CLOSED when the delegation is returned NFSv4: nfs_inode_evict_delegation() should set NFS_DELEGATION_RETURNING NFS: nfs_find_open_context() should use cred_fscmp() NFS: nfs_access_get_cached_rcu() should use cred_fscmp() NFSv4: pnfs_roc() must use cred_fscmp() to compare creds NFS: remove unused macros nfs: Return EINVAL rather than ERANGE for mount parse errors ... |
||
|
Martin KaFai Lau
|
88d6f130e5 |
bpf: Improve bucket_log calculation logic
It was reported that the max_t, ilog2, and roundup_pow_of_two macros have
exponential effects on the number of states in the sparse checker.
This patch breaks them up by calculating the "nbuckets" first so that the
"bucket_log" only needs to take ilog2().
In addition, Linus mentioned:
Patch looks good, but I'd like to point out that it's not just sparse.
You can see it with a simple
make net/core/bpf_sk_storage.i
grep 'smap->bucket_log = ' net/core/bpf_sk_storage.i | wc
and see the end result:
1 365071 2686974
That's one line (the assignment line) that is 2,686,974 characters in
length.
Now, sparse does happen to react particularly badly to that (I didn't
look to why, but I suspect it's just that evaluating all the types
that don't actually ever end up getting used ends up being much more
expensive than it should be), but I bet it's not good for gcc either.
Fixes:
|
||
|
Jakub Sitnicki
|
5d3919a953 |
selftests/bpf: Test freeing sockmap/sockhash with a socket in it
Commit |
||
|
Jakub Sitnicki
|
0b2dc83906 |
bpf, sockhash: Synchronize_rcu before free'ing map
We need to have a synchronize_rcu before free'ing the sockhash because any outstanding psock references will have a pointer to the map and when they use it, this could trigger a use after free. This is a sister fix for sockhash, following commit |
||
|
Jakub Sitnicki
|
db6a5018b6 |
bpf, sockmap: Don't sleep while holding RCU lock on tear-down
rcu_read_lock is needed to protect access to psock inside sock_map_unref
when tearing down the map. However, we can't afford to sleep in lock_sock
while in RCU read-side critical section. Grab the RCU lock only after we
have locked the socket.
This fixes RCU warnings triggerable on a VM with 1 vCPU when free'ing a
sockmap/sockhash that contains at least one socket:
| =============================
| WARNING: suspicious RCU usage
| 5.5.0-04005-g8fc91b972b73 #450 Not tainted
| -----------------------------
| include/linux/rcupdate.h:272 Illegal context switch in RCU read-side critical section!
|
| other info that might help us debug this:
|
|
| rcu_scheduler_active = 2, debug_locks = 1
| 4 locks held by kworker/0:1/62:
| #0: ffff88813b019748 ((wq_completion)events){+.+.}, at: process_one_work+0x1d7/0x5e0
| #1: ffffc900000abe50 ((work_completion)(&map->work)){+.+.}, at: process_one_work+0x1d7/0x5e0
| #2: ffffffff82065d20 (rcu_read_lock){....}, at: sock_map_free+0x5/0x170
| #3: ffff8881368c5df8 (&stab->lock){+...}, at: sock_map_free+0x64/0x170
|
| stack backtrace:
| CPU: 0 PID: 62 Comm: kworker/0:1 Not tainted 5.5.0-04005-g8fc91b972b73 #450
| Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20190727_073836-buildvm-ppc64le-16.ppc.fedoraproject.org-3.fc31 04/01/2014
| Workqueue: events bpf_map_free_deferred
| Call Trace:
| dump_stack+0x71/0xa0
| ___might_sleep+0x105/0x190
| lock_sock_nested+0x28/0x90
| sock_map_free+0x95/0x170
| bpf_map_free_deferred+0x58/0x80
| process_one_work+0x260/0x5e0
| worker_thread+0x4d/0x3e0
| kthread+0x108/0x140
| ? process_one_work+0x5e0/0x5e0
| ? kthread_park+0x90/0x90
| ret_from_fork+0x3a/0x50
| =============================
| WARNING: suspicious RCU usage
| 5.5.0-04005-g8fc91b972b73-dirty #452 Not tainted
| -----------------------------
| include/linux/rcupdate.h:272 Illegal context switch in RCU read-side critical section!
|
| other info that might help us debug this:
|
|
| rcu_scheduler_active = 2, debug_locks = 1
| 4 locks held by kworker/0:1/62:
| #0: ffff88813b019748 ((wq_completion)events){+.+.}, at: process_one_work+0x1d7/0x5e0
| #1: ffffc900000abe50 ((work_completion)(&map->work)){+.+.}, at: process_one_work+0x1d7/0x5e0
| #2: ffffffff82065d20 (rcu_read_lock){....}, at: sock_hash_free+0x5/0x1d0
| #3: ffff888139966e00 (&htab->buckets[i].lock){+...}, at: sock_hash_free+0x92/0x1d0
|
| stack backtrace:
| CPU: 0 PID: 62 Comm: kworker/0:1 Not tainted 5.5.0-04005-g8fc91b972b73-dirty #452
| Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20190727_073836-buildvm-ppc64le-16.ppc.fedoraproject.org-3.fc31 04/01/2014
| Workqueue: events bpf_map_free_deferred
| Call Trace:
| dump_stack+0x71/0xa0
| ___might_sleep+0x105/0x190
| lock_sock_nested+0x28/0x90
| sock_hash_free+0xec/0x1d0
| bpf_map_free_deferred+0x58/0x80
| process_one_work+0x260/0x5e0
| worker_thread+0x4d/0x3e0
| kthread+0x108/0x140
| ? process_one_work+0x5e0/0x5e0
| ? kthread_park+0x90/0x90
| ret_from_fork+0x3a/0x50
Fixes:
|
||
|
Toke Høiland-Jørgensen
|
d95f1e8b46 |
bpftool: Don't crash on missing xlated program instructions
Turns out the xlated program instructions can also be missing if kptr_restrict sysctl is set. This means that the previous fix to check the jited_prog_insns pointer was insufficient; add another check of the xlated_prog_insns pointer as well. Fixes: |
||
|
Lorenz Bauer
|
85b8ac01a4 |
bpf, sockmap: Check update requirements after locking
It's currently possible to insert sockets in unexpected states into
a sockmap, due to a TOCTTOU when updating the map from a syscall.
sock_map_update_elem checks that sk->sk_state == TCP_ESTABLISHED,
locks the socket and then calls sock_map_update_common. At this
point, the socket may have transitioned into another state, and
the earlier assumptions don't hold anymore. Crucially, it's
conceivable (though very unlikely) that a socket has become unhashed.
This breaks the sockmap's assumption that it will get a callback
via sk->sk_prot->unhash.
Fix this by checking the (fixed) sk_type and sk_protocol without the
lock, followed by a locked check of sk_state.
Unfortunately it's not possible to push the check down into
sock_(map|hash)_update_common, since BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB
run before the socket has transitioned from TCP_SYN_RECV into
TCP_ESTABLISHED.
Fixes:
|
||
|
Linus Torvalds
|
41dcd67e88 |
A handful of small documentation fixes that wandered in.
-----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEIw+MvkEiF49krdp9F0NaE2wMflgFAl49mtYPHGNvcmJldEBs d24ubmV0AAoJEBdDWhNsDH5Y/5sH+wX3mdrcC7pX2XALDvl35P+QB5CFy0v1bkMY KAi/Ulxd6aicnowsBx6wdqSZO01Bh0E/nc9x42WIbHBR9/J5ZlitpKj5pGi0JYE/ vguMEFgAPQb1dx3EGJ56dxKqJ/+zICVLhf7pawP82QqE6z4Kuonp9AXR1UMRvWej /b1qobQB++skh+nfGYqt7c7D6MQjaSb+5+TkU6xbHfoeMHDJkNdBHiiM5IbVE/s2 KgAngM7cTYeu4el4h6ue1ZJjbU2iOi1FJU95r2ufMYEt6EEfP2zkzCYXju/xyIbO 2NsdY3xUHhr9H32xkopPMoYrnzuzoTv8xi1xkhsnbOPZzZQMPls= =zx2k -----END PGP SIGNATURE----- Merge tag 'docs-5.6-2' of git://git.lwn.net/linux Pull Documentation fixes from Jonathan Corbet: "A handful of small documentation fixes that wandered in" * tag 'docs-5.6-2' of git://git.lwn.net/linux: Allow git builds of Sphinx Documentation: changes.rst: update several outdated project URLs Documentation: build warnings related to missing blank lines after explicit markups has been fixed mailmap: add entry for Tiezhu Yang Documentation/ko_KR/howto: Update a broken link Documentation/ko_KR/howto: Update broken web addresses docs/locking: Fix outdated section names |
||
|
Linus Torvalds
|
11777ee8b0 |
Merge branch 'i2c/for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"i2c core:
- huge improvements and refactorizations of the Linux I2C
documentation (lots of thanks to Luca for doing it and Jean for the
careful review)
- subsystem wide API conversion to i2c_new_client_device()
- remove obsolete parport-light driver
- smaller core updates (removal of 'extern', enabling more compile
testing, use more helper macros)
- and quite a bunch of driver updates (new IDs, simplifications,
better PM, support of atomic transfers and other improvements)
i2c-mux:
- The main feature is the idle-state rework of the pca954x driver
from Biwen Li
at24 driver:
- minor maintenance: update the license tag, sort headers
- move support for the write-protect pin into nvmem core
- add a reference to the new wp-gpios property in nvmem to at25
bindings
- add support for regulator and pm_runtime control"
* 'i2c/for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (91 commits)
i2c: cros-ec-tunnel: Fix ACPI identifier
i2c: cros-ec-tunnel: Fix slave device enumeration
i2c: stm32f7: add PM_SLEEP suspend/resume support
i2c: cadence: Fix wording in i2c-cadence driver
i2c: cadence: Fix power management order of operations
i2c: cadence: Fix error printing in case of defer
i2c: cadence: Handle transfer_size rollover
i2c: i801: Add support for Intel Comet Lake PCH-V
docs: i2c: writing-clients: properly name the stop condition
docs: i2c: i2c-protocol: use same wording as smbus-protocol
docs: i2c: rename sections so the overall picture is clearer
docs: i2c: old-module-parameters: use monospace instead of ""
docs: i2c: old-module-parameters: clarify this is for obsolete kernels
docs: i2c: old-module-parameters: fix internal hyperlink
docs: i2c: instantiating-devices: use monospace for sysfs attributes
docs: i2c: instantiating-devices: rearrange static instatiation
docs: i2c: instantiating-devices: fix internal hyperlink
docs: i2c: smbus-protocol: improve I2C Block transactions description
docs: i2c: smbus-protocol: fix punctuation
docs: i2c: smbus-protocol: fix typo
...
|
||
|
Linus Torvalds
|
ed39ba0ec1 |
Additional ACPI updates for 5.6-rc1
Add Hisilicon Hip08-Lite I2C controller clock frequency support to the ACPI driver for AMD SoCs (APD) and to the Designware I2C driver (Hanjun Guo). -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAl49OosSHHJqd0Byand5 c29ja2kubmV0AAoJEILEb/54YlRxVfcP/3bOt+bpD4hbgh+TjLTJaRV8t2391Gyx j/HR8+S/NVE0P1EiGJCabOhDd1aX+eQU7nCD0QEWReGrhfY6DbLXazNhr5fRS4AO IQ7QUUoQSUhdylTOG/y5h/KX8tDyDDawr8buuXFCe1+Aa0wrLagLleCGk87aeX9k Pfz159gxZclEFsF93A7WW1sT5GYYCRKZouwBpgYMVgq/9mYceDZmO0LmopV1S5N/ sk3m3c9rmftU2rxKR0iW2vir8KaUP4gLSG6Oo0jcEjlyGkqR4zRuTPMb1ROagNXW sdqLBZfg3gN7AAsDbom5F2lMuW8K0ZJ6+N8DdcR3d3ul9ELb7TEBa0597lyZbty7 Xss+49Cqy4DdVSmF1C36SJW+ifEtESbBaMhhcNhHJKNrucECWiNlIr29SA/HmdYj X/bKJzqjORR0Fd93CimXookdukviBr4spCYwXa3fWd7bvczqGq5H/EBcmhBNcYiQ F/Gw833cVJgM+W1lRXfso7/JjvjM5OYnHZIyL2w10S5OqPte7YAKxZhHJODXsaYG tn6DLHcnYaCS7pBKXP9Rv03R4hgXSWquQQ6f6Ipo/esIPl1TBwhwA4ECElx5cGzw hMdhAWA5MwWnJD+7XVA9302XcpitlAJTCSTNYsW96vfdnUE8YjNeOBAJcm1/Lt0W PqUsklKI+zPc =9BkB -----END PGP SIGNATURE----- Merge tag 'acpi-5.6-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull more ACPI updates from Rafael Wysocki: "Add Hisilicon Hip08-Lite I2C controller clock frequency support to the ACPI driver for AMD SoCs (APD) and to the Designware I2C driver (Hanjun Guo)" * tag 'acpi-5.6-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: i2c: designware: Add ACPI HID for Hisilicon Hip08-Lite I2C controller ACPI / APD: Add clock frequency for Hisilicon Hip08-Lite I2C controller |
||
|
Linus Torvalds
|
ba7dcfc7ba |
Additional power management updates for 5.6-rc1
Update the recently merged CPR (Core Power Reduction) support in the AVS (Adaptive Voltage Scaling) subsystem (Brendan Higgins, Nathan Chancellor, Niklas Cassel) and the rockchip-io AVS driver (Heiko Stuebner), add two more module parameters to intel_idle on top of the recently merged material, clean up a piece of cpuidle documentation and consolidate system sleep states documentation (Rafael Wysocki). -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAl49O1kSHHJqd0Byand5 c29ja2kubmV0AAoJEILEb/54YlRx7OMP/34DA5zPXhughdawhrw4z9N8Xl/VKbva k6wr26C4Bwrd19i4MU6LdrjbbMBfbg7gsUtuO/sF9dXjsFlcMrfsgsdIO5QH26qL yD68wwv/F7/MWUWhY7wVcTI5bnBnS1WF6ygnhRCfhI7R7Zq/WWQwK6D9/yZG/9uo AfTEv+yfXSBg+ByzaFqYt7S6QTTnUPrp29ROOJNE7Eryz2n1S9cSxCZPAQbqVNfr 0SRX9EPUNkNTYfR+QEtIs6uXrCWpbAePdxenirRYMvTYidjDvWG3kXNp+MlwR9co ieiYmCELOnlmYXu2vOPmBWW5rnxP+4aQuOVpuCPRxRwecKUxZwcGL0eh7e4A0wP8 /WwiTHyKphlqPWSaYvWKWDI2razDNnFnqkmXgfb68rAZNUNRRMbTErHzu2w4A1vj NiGCWqR+5Wimp4Ztk/WfFQYxPb2wr+a8PdwNWtH03goB2JOvHSZbNCB+BqX0yJJt GECDn6mFKCqJRQXfsxa+RIrVj3oXouExlb6VtKc3AHPSn+XyzQgRbo+CH0XvTnNI uoiL3PY4ayR6WBJjveRW9lLw3Acul475O1Xd0OzCNx2gsD6cRG7sE9cj4vRltdpl qW/t7vkS4JiqASgQEfZui4EZFxIk0Brv9v7KNl43bIcyW5SCkyjAbWeCR18I9l6l kxn8zXSTxtKZ =Yc9a -----END PGP SIGNATURE----- Merge tag 'pm-5.6-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull more power management updates from Rafael Wysocki: - Update the recently merged CPR (Core Power Reduction) support in the AVS (Adaptive Voltage Scaling) subsystem (Brendan Higgins, Nathan Chancellor, Niklas Cassel) - Update the rockchip-io AVS driver (Heiko Stuebner) - Add two more module parameters to intel_idle on top of the recently merged material (Rafael Wysocki) - Clean up a piece of cpuidle documentation and consolidate system sleep states documentation (Rafael Wysocki) * tag 'pm-5.6-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpuidle: Documentation: Clean up PM QoS description Documentation: admin-guide: PM: Update sleep states documentation intel_idle: Introduce 'states_off' module parameter intel_idle: Introduce 'use_acpi' module parameter power: avs: qcom-cpr: Avoid clang -Wsometimes-uninitialized in cpr_scale power: avs: qcom-cpr: add unspecified HAS_IOMEM dependency PM / AVS: rockchip-io: fix the supply naming for the emmc supply on px30 power: avs: qcom-cpr: add a printout after the driver has been initialized |
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Linus Torvalds
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c16b99d6c5 |
drm fixes for 5.6-rc1
tegra: - merge window regression fixes nouveau: - couple of volta/turing modesetting fixes amdgpu: - EDC fixes for Arcturus - GDDR6 memory training fixe - Fix for reading gfx clockgating registers while in GFXOFF state - i2c freq fixes - Misc display fixes - TLB invalidation fix when using semaphores - VCN 2.5 instancing fixes - Switch raven1 gfxoff to a blacklist - Coreboot workaround for KV/KB - Root cause dongle fixes for display and revert workaround - Enable GPU reset for renoir and navi - Navi overclocking fixes - Fix up confusing warnings in display clock validation on raven amdkfd: - SDMA fix radeon: - Misc LUT fixes -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJePNasAAoJEAx081l5xIa+axgP+wZbUkJZYt75p5thhptp2CY3 235yIZQcDy0T+J/34Agv0e5DfK2hCafPIVv7dIV1A9AjWxhVzIoZmD2mHSLKnxVb MsfemKsrm1WO9KezDkDIEOgkN5rY811xTIsg89VSjyiiPXQmwAcXQBbmIBHg9YtT 7ttek1afJv7h0HD4W2JdTxLEeKn9lpZHUXESXz+xoE8OUMDizMgmbt8nWXlbFpcw Tx1EmxZ3jbCYGsrcQBOLURZiwzOb2zbXJ9o8BgNdomvtI69l2/3mMonavw+IgVq+ aiHMgWViVsDDP8ijn8uBa7EEqtGWuqTRaL/Ei71w2MGkG7S3Nz4PxbLbl5P9NHAc D3OsiaXGdNhoSGfGD6sr7TlOIEo7gjLGKJ3fMW15XmBF4isb0lwlnIB7dTiU9Zaq UBMpNA9/Vtty2MtT1SkVKQrC+Mujl4lAYssWhcrh1/RX0Ij6do4aFswy17dbVg3Q LIigj1quIfNPXONb0fwkg5JGQyOMnrYs0Q6SkrhQfSR2UzsNWnGoBRyROcZipNnQ STaM8F6eEi7RbFUaT0uWL71GBxM00PyjQgpf5fnrOiKp6rfgK3B3ThpsVoAQ2OW4 CnodlCa1uxIkIgQdcoG/3vT5B6nzpdhgRVjHt+N5sraLjOZFZHxex0YmJAYXcN+/ QR8ARNgILJvA14xCsOT7 =C0nE -----END PGP SIGNATURE----- Merge tag 'drm-next-2020-02-07' of git://anongit.freedesktop.org/drm/drm Pull drm fixes from Dave Airlie: "Just some fixes for this merge window: the tegra changes fix some regressions in the merge, nouveau has a few modesetting fixes. The amdgpu fixes are bit bigger, but they contain a couple of weeks of fixes, and don't seem to contain anything that isn't really a fix. Summary: tegra: - merge window regression fixes nouveau: - couple of volta/turing modesetting fixes amdgpu: - EDC fixes for Arcturus - GDDR6 memory training fixe - Fix for reading gfx clockgating registers while in GFXOFF state - i2c freq fixes - Misc display fixes - TLB invalidation fix when using semaphores - VCN 2.5 instancing fixes - Switch raven1 gfxoff to a blacklist - Coreboot workaround for KV/KB - Root cause dongle fixes for display and revert workaround - Enable GPU reset for renoir and navi - Navi overclocking fixes - Fix up confusing warnings in display clock validation on raven amdkfd: - SDMA fix radeon: - Misc LUT fixes" * tag 'drm-next-2020-02-07' of git://anongit.freedesktop.org/drm/drm: (90 commits) gpu: host1x: Set DMA direction only for DMA-mapped buffer objects drm/tegra: Reuse IOVA mapping where possible drm/tegra: Relax IOMMU usage criteria on old Tegra drm/amd/dm/mst: Ignore payload update failures drm/amdgpu: update default voltage for boot od table for navi1x drm/amdgpu/smu10: fix smu10_get_clock_by_type_with_voltage drm/amdgpu/smu10: fix smu10_get_clock_by_type_with_latency drm/amdgpu/display: handle multiple numbers of fclks in dcn_calcs.c (v2) drm/amdgpu: fetch default VDDC curve voltages (v2) drm/amdgpu/smu_v11_0: Correct behavior of restoring default tables (v2) drm/amdgpu/navi10: add OD_RANGE for navi overclocking drm/amdgpu/navi: fix index for OD MCLK drm/amd/display: Fix HW/SW state mismatch drm/amd/display: Fix a typo when computing dsc configuration drm/amd/powerplay: fix navi10 system intermittent reboot issue V2 drm/amdkfd: Fix a bug in SDMA RLC queue counting under HWS mode drm/amd/display: Only enable cursor on pipes that need it drm/nouveau/kms/gv100-: avoid sending a core update until the first modeset drm/nouveau/kms/gv100-: move window ownership setup into modesetting path drm/nouveau/disp/gv100-: halt NV_PDISP_FE_RM_INTR_STAT_CTRL_DISP_ERROR storms ... |
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Linus Torvalds
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8bf5973a4e |
A collection of fixes that would be good to get merged before -rc1.
- Make of_clk.h self contained - Fix new qcom DT bindings that just merged to match the DTS files - Fix qcom clk driver to properly detect DFS clk frequencies - Fix the ls1028a driver to not deref a pointer before assigning it -----BEGIN PGP SIGNATURE----- iQJFBAABCAAvFiEE9L57QeeUxqYDyoaDrQKIl8bklSUFAl48WfERHHNib3lkQGtl cm5lbC5vcmcACgkQrQKIl8bklSWtnw/+P0xw3S0Wdkr4UEkfCmSf8/JAP6xXc4Of TFeJoXTCqqvgq66BpFVRMSPvA7jr2hx4siHBJbpXT4M+VpGhw5sRcEumQChHtZpX WDSUszR86hxQCyq4ONdU0hQ6YfL/Erx14WqAK/DMHMLUtqIbSkfeVlZNTqpBHrBk Nyx9S4rG0RerddmI1DPPikx3oPCwVxi+biqX3H+T1Ndsn2L/Iol+jerRfa9kbjRU kaH/gXByikMKt+EdKlVLoCEl9jOC9gDu3MvM5ik01pFF5+SVeUD89wSDRHjuyVf/ mfag7xwXxxbjQNYJdEJu3keZslzezBUDY1DDnxIXstA7NhaQp2Jw6CX1S+S4KszR Bh21okQGgSZUsnOVJmOOweqCPh8cvfyLb0sDjYlTgUog2QcQmBQbkTVqV5ZvvtF6 e5cdcxI7zHZQ5tszFXYk32GkXqN7QcucYy6HYbh6fcivkJOE5DozOUOP8DDkoP39 fWRCZiZLM3bWYx3he2MnMpZMxo7sLAMwpO2v+jxtqTZFVfvBPYaITuM08t+o9YH1 D+hIuSXoDKDzliQYEmo7p2k+JHstTw91sBuH9NRgNhcUZ1z/Fg8osfW7uBnuu5qv vpK/xZJo8zJF3046xlnaRDz/oO2VKv6Wvq/04ayE087MEKps6OxE9AwxreB3brj1 kPWlYe0uexQ= =fchl -----END PGP SIGNATURE----- Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk fixes from Stephen Boyd: "A collection of fixes: - Make of_clk.h self contained - Fix new qcom DT bindings that just merged to match the DTS files - Fix qcom clk driver to properly detect DFS clk frequencies - Fix the ls1028a driver to not deref a pointer before assigning it" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: of: clk: Make <linux/of_clk.h> self-contained clk: qcom: Use ARRAY_SIZE in videocc-sc7180 for parent clocks clk: qcom: Get rid of the test clock for videocc-sc7180 dt-bindings: clock: Cleanup qcom,videocc bindings for sdm845/sc7180 clk: qcom: Use ARRAY_SIZE in gpucc-sc7180 for parent clocks clk: qcom: Get rid of the test clock for gpucc-sc7180 dt-bindings: clock: Fix qcom,gpucc bindings for sdm845/sc7180/msm8998 clk: qcom: Use ARRAY_SIZE in dispcc-sc7180 for parent clocks clk: qcom: Get rid of the test clock for dispcc-sc7180 clk: qcom: Get rid of fallback global names for dispcc-sc7180 dt-bindings: clock: Fix qcom,dispcc bindings for sdm845/sc7180 clk: qcom: rcg2: Don't crash if our parent can't be found; return an error clk: ls1028a: fix a dereference of pointer 'parent' before a null check dt-bindings: clk: qcom: Fix self-validation, split, and clean cruft clk: qcom: Don't overwrite 'cfg' in clk_rcg2_dfs_populate_freq() |